51373444 has 36 divisors (see below), whose sum is σ = 96695424. Its totient is φ = 23826528.

The previous prime is 51373423. The next prime is 51373447. The reversal of 51373444 is 44437315.

51373444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51373444² = 5278461496842272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51373447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471262 + ... + 471370.

It is an arithmetic number, because the mean of its divisors is an integer number (2685984).

Almost surely, 2^51373444 is an apocalyptic number.

It is an amenable number.

51373444 is a deficient number, since it is larger than the sum of its proper divisors (45321980).

51373444 is a wasteful number, since it uses less digits than its factorization.

51373444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 181 counting only the distinct ones).

The product of its digits is 20160, while the sum is 31.

The square root of 51373444 is about 7167.5270491293. The cubic root of 51373444 is about 371.7459339690.

The spelling of 51373444 in words is "fifty-one million, three hundred seventy-three thousand, four hundred forty-four".